现代英汉综合大辞典
现代英汉综合大辞典focus
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【物】焦点
焦距; 对焦点, 聚焦, 配光
(问题, 活动、兴趣等的)中心
【医】病灶
(地震的)震源
焦点范围
螺旋极点
美国中西部考古学系统的分类单位
疫源地
- 习惯用语
- bring into focus (=bring to a focus) 使集中在焦点上; 使清楚起来; 使明朗化; 使突出
- come into focus (某物)轮廓明显, 清晰; (问题)突出
- in focus 焦距对准, 清晰
- out of focus 焦距没对准, 模糊
- with focus on 把焦点集中在
- focus out 散焦
现代英汉词典
现代英汉词典focus
中心点
焦点
中心，集中点
- 词性变化
使集中于焦点；集中
调焦距
- 习惯用语
- in focus 焦点对准，清晰
- out of focus 焦点没有对准，模糊
简明英汉词典
简明英汉词典focus
(兴趣活动等的)中心, 焦点, 焦距, [医]病灶, [地](地震的)震源
聚焦, 注视
使集中在焦点上, 定焦点, 调焦, 集中
柯林斯英语大词典
柯林斯英语大词典focus
a point of convergence of light or other electromagnetic radiation, particles, sound waves, etc, or a point from which they appear to diverge
another name for focal pointanother name for focal length
the state of an optical image when it is distinct and clearly defined or the state of an instrument producing this image
a point upon which attention, activity, etc, is directed or concentrated
a fixed reference point on the concave side of a conic section, used when defining its eccentricity
the point beneath the earth's surface at which an earthquake or underground nuclear explosion originatesSee epicentre
the main site of an infection or a localized region of diseased tissue
to bring or come to a focus or into focus
to fix attention (on); concentrate
柯林斯 WordNet
WordNetfocus
1. the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life"
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2. maximum clarity or distinctness of an image rendered by an optical system; "in focus"; "out of focus"
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3. maximum clarity or distinctness of an idea; "the controversy brought clearly into focus an important difference of opinion"
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4. a central point or locus of an infection in an organism; "the focus of infection"
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5. special emphasis attached to something; "the stress was more on accuracy than on speed"
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6. a point of convergence of light (or other radiation) or a point from which it diverges
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7. a fixed reference point on the concave side of a conic section
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1. direct one's attention on something; "Please focus on your studies and not on your hobbies"
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2. cause to converge on or toward a central point; "Focus the light on this image"
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3. bring into focus or alignment; to converge or cause to converge; of ideas or emotions
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4. become focussed or come into focus; "The light focused"
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5. put (an image) into focus; "Please focus the image; we cannot enjoy the movie"
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